Hardscaping

Your outdoor living spaces such as: a brick patio, outdoor kitchen, stone patio, or retaining wall will be professionally designed and installed by our certified install team. These elements add not only visual interest to your well-landscaped outdoor space but also increase the usefulness of your landscape design in all seasons. Your brick and/or stone landscaping requires proper installation, so Tommy Pollina trains its employees in the most up-to-date construction techniques. Since Tommy Pollina Landscape Company is an Authorized Contractor with Unilock you are assured of a high-quality retaining wall, an amazing outdoor kitchen, or an incredible stone patio with years of enjoyment!

Why Hardscapes Fail — and Why We’re Called to Fix Them

After more than 45 years working across the Chicago area, we’ve learned something that most homeowners only learn the hard way:

If a hardscape contractor doesn’t bring up drainage engineering from day one, it’s because they don’t know how to do it.

Not because they forgot.
Not because it comes later.
Not because it’s optional.

Because it’s outside their expertise.

Contractors who understand drainage engineering lead with it immediately, because it dictates everything that follows — excavation depth, base construction, grading, long-term performance, and durability over decades.

If you have to be the one to bring up drainage, that is a guarantee the contractor lacks the experience, knowledge, and technical ability to design a complete hardscape system. At that point, they are not qualified to do the job correctly.

This page explains why hardscapes fail, how flooding gets introduced, why responsibility disappears the moment a surface-only contractor finishes the job, and how to identify — before it’s too late — whether a contractor is capable of doing it right the first time.

Hardscapes Are Water-Management Systems — Whether Designed or Not

A hardscape is not just a surface.

The moment a patio, driveway, walkway, retaining wall, or slab is installed, it permanently changes how water moves across and through a property.

It alters surface runoff, subsurface water movement, drainage paths, soil saturation, and pressure against structures. These changes happen immediately — whether they were designed intentionally or ignored entirely.

Hardscapes are water-management systems by default. The only question is whether they were engineered that way.

What Water Will Always Do

Water is predictable.

It will move across hard surfaces, travel through joints and seams, move laterally underneath structures, follow the path of least resistance, collect at low points, freeze and expand, wash out base material, and build pressure against walls and foundations.

When water is not captured, redirected, and discharged intentionally, two failures begin at the same time:

1. The hardscape starts destroying itself from below.
2. Water is redirected toward areas that were never designed to handle it.

This is how both structural failure and flooding begin.

The Surface-Only Contractor Problem

Most hardscape contractors focus only on what you can see — pavers, brick, stone, concrete, and asphalt.

They install the surface and stop there.

They do not design for what happens underneath.
They do not engineer drainage.
They do not analyze how water will move once the surface is in place.

This is not a philosophical difference. It is a limitation of expertise.

Surface-only contractors know how to install materials. They do not know how to design systems.

The Contractor Disqualification Rule Every Homeowner Should Know

There is a simple way to determine whether a contractor is qualified.

If a contractor is not proactively talking about drainage engineering from the very first conversation, it is because they do not know how to do it.

If you have to bring it up, that contractor lacks the experience, knowledge, and technical ability required to design a complete hardscape system. That single fact automatically disqualifies them from building something intended to last decades.

Drainage cannot be added later. It must be engineered from day one.

What Surface-Only Hardscapes Actually Cause

When drainage is ignored, failure is inevitable.

The hardscape begins to destroy itself. Base material washes out. Pavers and slabs settle. Walkways sink and become trip hazards. Retaining walls lean, bow, or crack. Concrete cracks, lifts, and separates. Freeze-thaw cycles cause heaving and movement.

At the same time, flooding begins. Water is forced to move across the surface instead of soaking into soil. Runoff is redirected toward foundations. Basements take on water where they never did before. Crawl spaces remain saturated. Soil stays waterlogged next to structures. Hydrostatic pressure builds against foundation walls. Sump systems become overwhelmed.

These are not separate issues. They are the same failure showing up in different ways.

The Walk-Away Reality No One Warns You About

Once a surface-only contractor finishes installing the surface, they are gone.

When problems appear later — settling, cracking, shifting, flooding — the contractor will correctly state that drainage was never part of the scope, water management was never designed, and the surface was installed exactly as contracted.

They delivered exactly what was paid for — a surface.

Legally and ethically, they have zero responsibility for the damage that follows. At that point, the burden shifts entirely to the homeowner.

Why We Get Called In

A significant portion of our work comes from being called after this failure has already happened.

We are brought in to rip out sunken patios, tear out shifting walkways, rebuild leaning or failing retaining walls, remove hardscapes that redirected water toward homes, fix flooding caused by surface-only installations, and re-engineer drainage where none existed.

We are not guessing. We are fixing the same failures over and over again across the Chicago area.

What Fixing It Actually Requires

Fixing surface-only work is never a patch.

The surface must be removed. The base must be rebuilt. Drainage systems must be engineered and installed. Flow paths must be corrected. Water must be redirected away from structures. Only then can the hardscape be rebuilt correctly.

Repairing a failed hardscape that caused flooding always costs more than installing it correctly the first time.

Why We Design Every Hardscape as a System

Because we are the company called to fix destroyed hardscapes and flooding problems, we design every new project assuming water will exploit every weakness.

Drainage is not optional. It is not an add-on. It is not something discussed later.

It is engineered into every hardscape system we install — from the very first conversation.

A Reputation Built on Doing It Right — and Fixing What Others Didn’t

Homeowners across the Chicago area know Tommy Pollina Landscape for two reasons:

We have been installing hardscapes correctly for over 45 years.
We are the company called when surface-only work fails, causes flooding, and needs to be rebuilt properly.

That reputation was earned in the field, not through marketing.

The Difference, Clearly Stated

We don’t install surfaces.

We install systems.

And when surface-only work destroys itself and causes flooding, we are the ones called to fix it.